diff --git a/ArduCopter/Copter.h b/ArduCopter/Copter.h
index 0da7d8ad73..2fd5b30629 100644
--- a/ArduCopter/Copter.h
+++ b/ArduCopter/Copter.h
@@ -50,7 +50,6 @@
 #include <AP_Baro/AP_Baro.h>
 #include <AP_Compass/AP_Compass.h>         // ArduPilot Mega Magnetometer Library
 #include <AP_Math/AP_Math.h>            // ArduPilot Mega Vector/Matrix math Library
-#include <AP_Curve/AP_Curve.h>           // Curve used to linearlise throttle pwm to thrust
 #include <AP_InertialSensor/AP_InertialSensor.h>  // ArduPilot Mega Inertial Sensor (accel & gyro) Library
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_NavEKF/AP_NavEKF.h>
diff --git a/ArduCopter/make.inc b/ArduCopter/make.inc
index 25174e1758..1c3b796bfc 100644
--- a/ArduCopter/make.inc
+++ b/ArduCopter/make.inc
@@ -11,7 +11,6 @@ LIBRARIES += AP_ADC
 LIBRARIES += AP_Baro
 LIBRARIES += AP_Compass
 LIBRARIES += AP_Math
-LIBRARIES += AP_Curve
 LIBRARIES += AP_InertialSensor
 LIBRARIES += AP_AHRS
 LIBRARIES += AP_NavEKF
diff --git a/ArduCopter/wscript b/ArduCopter/wscript
index c11ebb32c1..037716ab1e 100644
--- a/ArduCopter/wscript
+++ b/ArduCopter/wscript
@@ -18,7 +18,6 @@ def build(bld):
             'AC_Sprayer',
             'AC_WPNav',
             'AP_Camera',
-            'AP_Curve',
             'AP_EPM',
             'AP_Frsky_Telem',
             'AP_IRLock',